INFO: task kworker/0:2:759 blocked for more than 143 seconds.
      Not tainted 6.4.0-syzkaller-10098-g995b406c7e97 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:27720 pid:759   ppid:2      flags:0x00004000
Workqueue: events rfkill_global_led_trigger_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6710
 schedule+0xde/0x1a0 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
 rfkill_global_led_trigger_worker+0x1b/0x120 net/rfkill/core.c:181
 process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
 kthread+0x344/0x440 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/0:5:5079 blocked for more than 143 seconds.
      Not tainted 6.4.0-syzkaller-10098-g995b406c7e97 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5     state:D stack:27720 pid:5079  ppid:2      flags:0x00004000
Workqueue: events rfkill_op_handler
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6710
 schedule+0xde/0x1a0 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
 device_lock include/linux/device.h:837 [inline]
 nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
 nfc_rfkill_set_block+0x33/0xd0 net/nfc/core.c:179
 rfkill_set_block+0x1f9/0x540 net/rfkill/core.c:345
 rfkill_epo+0x8e/0x1d0 net/rfkill/core.c:454
 __rfkill_handle_global_op net/rfkill/input.c:60 [inline]
 rfkill_op_handler+0x232/0x260 net/rfkill/input.c:108
 process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
 kthread+0x344/0x440 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task syz-executor276:5418 blocked for more than 143 seconds.
      Not tainted 6.4.0-syzkaller-10098-g995b406c7e97 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor276 state:D stack:27552 pid:5418  ppid:5021   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6710
 schedule+0xde/0x1a0 kernel/sched/core.c:6786
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
 rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1130
 nfc_unregister_device+0x96/0x330 net/nfc/core.c:1167
 virtual_ncidev_close+0x52/0xb0 drivers/nfc/virtual_ncidev.c:163
 __fput+0x40c/0xad0 fs/file_table.c:378
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa9a/0x29a0 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5e7cf495a9
RSP: 002b:00007ffff3baafe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f5e7cfbd330 RCX: 00007f5e7cf495a9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 00007ffff3bab1d8
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5e7cfbd330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
 #0: ffffffff8c9a1af0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by rcu_tasks_trace/14:
 #0: ffffffff8c9a17f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:522
1 lock held by khungtaskd/28:
 #0: ffffffff8c9a2700 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6615
3 locks held by kworker/0:2/759:
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
 #1: ffffc90004bafdb0 ((work_completion)(&rfkill_global_led_trigger_work)){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
 #2: ffffffff8e83c668 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_global_led_trigger_worker+0x1b/0x120 net/rfkill/core.c:181
2 locks held by getty/4759:
 #0: ffff88802909f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xf02/0x13f0 drivers/tty/n_tty.c:2176
4 locks held by kworker/0:5/5079:
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:675 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:702 [inline]
 #0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x8fd/0x16f0 kernel/workqueue.c:2567
 #1: ffffc90003aefdb0 ((rfkill_op_work).work){+.+.}-{0:0}, at: process_one_work+0x930/0x16f0 kernel/workqueue.c:2571
 #2: ffffffff8e83c668 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_epo+0x55/0x1d0 net/rfkill/core.c:450
 #3: ffff888025391100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #3: ffff888025391100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x2d/0x2d0 net/nfc/core.c:143
2 locks held by syz-executor276/5418:
 #0: ffff888025391100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
 #0: ffff888025391100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x62/0x330 net/nfc/core.c:1165
 #1: ffffffff8e83c668 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_unregister+0xde/0x2c0 net/rfkill/core.c:1130

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-syzkaller-10098-g995b406c7e97 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xe16/0x1090 kernel/hung_task.c:379
 kthread+0x344/0x440 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12 Comm: kworker/u4:1 Not tainted 6.4.0-syzkaller-10098-g995b406c7e97 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:mark_held_locks+0x7a/0xe0 kernel/locking/lockdep.c:4273
Code: 24 c8 0a 00 00 85 c0 7e 57 48 63 c3 48 8d 04 80 49 8d 34 c6 48 8d 7e 22 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 42 0f b6 04 28 <38> d0 7f 04 84 c0 75 4a 0f b6 46 22 89 c2 83 e2 03 80 fa 01 89 ea
RSP: 0018:ffffc90000117988 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 1ffffffff230bb44
RDX: 0000000000000002 RSI: ffff888016676458 RDI: ffff88801667647a
RBP: 0000000000000006 R08: 0000000000000000 R09: fffffbfff230a7d2
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016675940
R13: dffffc0000000000 R14: ffff888016676408 R15: ffffffff8cb0c980
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056280a7a8600 CR3: 000000000c775000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __trace_hardirqs_on_caller kernel/locking/lockdep.c:4307 [inline]
 lockdep_hardirqs_on_prepare kernel/locking/lockdep.c:4366 [inline]
 lockdep_hardirqs_on_prepare+0x28f/0x410 kernel/locking/lockdep.c:4318
 trace_hardirqs_on+0x36/0x40 kernel/trace/trace_preemptirq.c:61
 __text_poke+0x612/0x890 arch/x86/kernel/alternative.c:1812
 text_poke arch/x86/kernel/alternative.c:1837 [inline]
 text_poke_bp_batch+0x3c7/0x780 arch/x86/kernel/alternative.c:2170
 text_poke_flush arch/x86/kernel/alternative.c:2339 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:2336 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:2346
 arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x32f/0x410 kernel/jump_label.c:829
 static_key_disable_cpuslocked+0x156/0x1b0 kernel/jump_label.c:235
 static_key_disable+0x1a/0x20 kernel/jump_label.c:243
 toggle_allocation_gate mm/kfence/core.c:836 [inline]
 toggle_allocation_gate+0x143/0x230 mm/kfence/core.c:823
 process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748
 kthread+0x344/0x440 kernel/kthread.c:389
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.674 msecs